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40 Commits

Author SHA1 Message Date
Bananymous 399d5338c6 Shell: String leading and trailing whitespace from commands 
This fixes a bug of inserting empty argument if command had trailing
whitespace
 2023-09-28 10:28:49 +03:00
Bananymous 3ba15b41a3 Kernel/LibC: remove PATH resoltion from kernel 
I have no idea why I had made PATH environment variable parsing
to be part of the kernel. Now the shell does the parsing and
environment syscall is no longer needed.
 2023-09-23 03:08:14 +03:00
Bananymous 41757b5f6c Shell: Clean exit on ^D and use getchar() 
Use getchar() instead of fread(&ch, 1, sizeof(char), stdin). This
is much cleaner.
 2023-09-07 15:51:05 +03:00
Bananymous 80e7a89f67 BuildSystem: Base sysroot is now distributed as a tar ball 
This allows file and directory permissions work as intended.

cmake is now filled with 'sudo' but with sudo timeout this should be
fine.
 2023-08-23 10:38:21 +03:00
Bananymous b780df8be0 Shell: hostname is not parsed from /etc/hostname 2023-08-23 10:38:21 +03:00
Bananymous c4210b5810 Shell: use process groups more properly 2023-08-22 14:54:50 +03:00
Bananymous 2dcd4ed131 Shell/init: We now use pgrp instead of pid and init open terminal 2023-08-22 11:37:04 +03:00
Bananymous 089da2608c Shell: command execution and parsing support piped commands 
There is still problems with "blocking" builtin commands (time),
return value, ...
 2023-08-17 12:05:38 +03:00
Bananymous ed5f4d64a8 Shell: add basic printf test 2023-08-16 10:49:34 +03:00
Bananymous 5a94818210 Shell: $? returns last return value 2023-08-15 09:17:46 +03:00
Bananymous db2eca697e Shell: '\u' in PS1 is replaced with username corresponding to euid 2023-08-14 14:55:23 +03:00
Bananymous 81d79cca61 Shell: ^A moves cursor to the beginning of line 2023-08-14 12:26:22 +03:00
Bananymous dddfa308d7 Shell: Print if the process exited because of a signal 2023-08-01 14:24:36 +03:00
Bananymous 1d7795e22c Kernel: Hardware exceptions now sends signals to userspace 2023-07-30 14:34:15 +03:00
Bananymous 925df39107 Kernel: Userspace sets the foreground process and Shell handles ^C 2023-07-28 18:10:36 +03:00
Bananymous 2dce0a0415 Kernel: Userspace signal handlers are now called one at a time 
I added a syscall for telling the kernel when signal execution has
finished. We should send a random hash or id to the signal trampoline
that we would include in the syscall, so validity of signal exit can
be confirmed.
 2023-07-23 13:34:53 +03:00
Bananymous 10169d773d Kernel/LibC: Add SYS_KILL/kill() 2023-07-21 19:27:38 +03:00
Bananymous c2cf98e32f Kernel/LibC: Add bareboness signals 
You can now call raise() to raise a signal. Signal handlers are
not yet supported, but the handling works :)
 2023-07-21 15:45:02 +03:00
Bananymous 404b3dd44c Shell: $(...) expansion works now :) 2023-07-06 23:22:57 +03:00
Bananymous d04b031e30 Shell: you can call Shell -c ... to invoke the shell as interpreter 2023-07-06 23:22:49 +03:00
Bananymous f19dc114d6 Userspace: Shell now has 'env' for printing environment 2023-07-06 10:32:43 +03:00
Bananymous d2aabb669b Userspace: Shell imporove 'time' command 2023-07-06 09:45:04 +03:00
Bananymous 9c3f4039a5 Userspace: Shell now has time builtin 2023-07-06 00:39:04 +03:00
Bananymous 84ecf861cd Userspace: Shell now processes $ arguments 2023-06-19 01:39:24 +03:00
Bananymous 46a6daccfe Userspace: Shell argument parsing now appriciates quotes 2023-06-19 01:07:00 +03:00
Bananymous 3df3c37bad Userspace: Shell argument parse now results in BAN::String 2023-06-19 00:34:44 +03:00
Bananymous 191a24110a Userspace: Shell now sets SHELL environment variable 2023-06-18 23:35:51 +03:00
Bananymous b4b892148c Userspace: Shell processes PS1 '\~' as cwd and implement cd 2023-06-12 02:03:13 +03:00
Bananymous e9cb844c28 Userspace: Shell now uses PS1 as prompt if set 2023-06-12 00:45:47 +03:00
Bananymous 47c69e9def Userspace: add exit to shell 2023-06-09 01:51:23 +03:00
Bananymous 66fe48e94b Userspace: add ^L support for shell 2023-06-09 01:24:33 +03:00
Bananymous 55ea5c5488 Kernel: add basic support for environment variables 
exec functions will search files from PATH
 2023-06-05 22:51:02 +03:00
Bananymous 357081346e Shell: load old termios for process execution 2023-06-05 21:12:08 +03:00
Bananymous 73c11c3d29 Shell: add bareboness utf8 support 
This should work as long as TTY provides only valid utf8.
If the utf is invalid, assertion fails and the shell dies.
 2023-06-05 18:55:22 +03:00
Bananymous 5af77dcfb9 Shell: we now support left/right arrows 2023-06-05 18:24:41 +03:00
Bananymous d1ad38c8d4 Kernel/LibC: add SYS_STAT and stat(), lstat() 2023-06-05 14:37:14 +03:00
Bananymous 4c40aa6b38 Userspace: Start work on proper shell 2023-06-05 01:42:57 +03:00
Bananymous a378e59432 BuildSystem: link libraries when they change 
This also fixed the need for manual linkin on firt build
 2023-05-31 23:01:40 +03:00
Bananymous a2ee543fa1 Shell: we now link BAN (we can't use it though) 2023-05-26 22:31:21 +03:00
Bananymous 27147790fd Userspace: Start work on shell 2023-05-26 22:31:21 +03:00